DE1139548B - Aus mehreren Einheiten bestehender elektrostatischer Lautsprecher - Google Patents

Aus mehreren Einheiten bestehender elektrostatischer Lautsprecher

Info

Publication number
DE1139548B
DE1139548B DEB57294A DEB0057294A DE1139548B DE 1139548 B DE1139548 B DE 1139548B DE B57294 A DEB57294 A DE B57294A DE B0057294 A DEB0057294 A DE B0057294A DE 1139548 B DE1139548 B DE 1139548B
Authority
DE
Germany
Prior art keywords
loudspeaker
electrostatic
delay line
units
conductive layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DEB57294A
Other languages
German (de)
English (en)
Inventor
David Theodore Nels Williamson
Peter James Walker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Braun GmbH
Original Assignee
Braun GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB2107054A external-priority patent/GB815978A/en
Application filed by Braun GmbH filed Critical Braun GmbH
Publication of DE1139548B publication Critical patent/DE1139548B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
DEB57294A 1954-07-20 1955-07-19 Aus mehreren Einheiten bestehender elektrostatischer Lautsprecher Pending DE1139548B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2107054A GB815978A (en) 1954-07-20 Improvements relating to electrostatic loudspeakers

Publications (1)

Publication Number Publication Date
DE1139548B true DE1139548B (de) 1962-11-15

Family

ID=10156690

Family Applications (2)

Application Number Title Priority Date Filing Date
DEB57294A Pending DE1139548B (de) 1954-07-20 1955-07-19 Aus mehreren Einheiten bestehender elektrostatischer Lautsprecher
DEF17977A Pending DE1088546B (de) 1954-07-20 1955-07-19 Elektrostatischer Lautsprecher

Family Applications After (1)

Application Number Title Priority Date Filing Date
DEF17977A Pending DE1088546B (de) 1954-07-20 1955-07-19 Elektrostatischer Lautsprecher

Country Status (3)

Country Link
US (2) US3008013A (fr)
DE (2) DE1139548B (fr)
FR (2) FR1134837A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3733095A1 (de) * 1986-09-30 1988-04-07 Samsung Electro Mech Stereoeinrichtung mit einem piezoelektrischen membranlautsprecher

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US3403234A (en) * 1964-09-11 1968-09-24 Northrop Corp Acoustic transducer
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US3562429A (en) * 1968-04-29 1971-02-09 Teachout West Electro Acoustic Sound transmitter with feedback and polarization circuitry
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US3668336A (en) * 1969-12-08 1972-06-06 Dayton Wright Associates Ltd Audio system including electrostatic loudspeaker
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JPS57125600A (en) * 1981-02-21 1982-08-04 Bulgarsko Radio Electrostatic acoustic converter
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US4703509A (en) * 1985-06-19 1987-10-27 Zavod Za Elektronni Preobrazuvatelni Elementi Electrostatic acoustic converter with stationary electrode having a progressively increasing surface resistance
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US5206557A (en) * 1990-11-27 1993-04-27 Mcnc Microelectromechanical transducer and fabrication method
US5479061A (en) * 1992-12-31 1995-12-26 University Of North Carolina Pleated sheet microelectromechanical transducer
FI104611B (fi) * 1993-06-21 2000-02-29 Panphonics Oy Laskostettu energiamuunnin
US5434464A (en) * 1994-05-23 1995-07-18 Mcnc Unidirectional supporting structure for microelectromechanical transducers
FI116873B (fi) * 1996-02-26 2006-03-15 Panphonics Oy Akustinen elementti ja menetelmä äänen käsittelemiseksi
US20020076069A1 (en) * 1998-01-07 2002-06-20 American Technology Corporation Sonic emitter with foam stator
US6188772B1 (en) * 1998-01-07 2001-02-13 American Technology Corporation Electrostatic speaker with foam stator
US6304662B1 (en) 1998-01-07 2001-10-16 American Technology Corporation Sonic emitter with foam stator
US6175636B1 (en) * 1998-06-26 2001-01-16 American Technology Corporation Electrostatic speaker with moveable diaphragm edges
US6850623B1 (en) 1999-10-29 2005-02-01 American Technology Corporation Parametric loudspeaker with improved phase characteristics
US20050100181A1 (en) * 1998-09-24 2005-05-12 Particle Measuring Systems, Inc. Parametric transducer having an emitter film
FI116605B (fi) * 1999-11-05 2005-12-30 Panphonics Oy Akustinen elementti
JP2002135896A (ja) * 2000-10-25 2002-05-10 Sony Corp スピーカ装置
WO2002063922A2 (fr) * 2001-01-22 2002-08-15 American Technology Corporation Haut-parleur planaire-magnetique asymetrique ameliore
US6934402B2 (en) * 2001-01-26 2005-08-23 American Technology Corporation Planar-magnetic speakers with secondary magnetic structure
US6760462B1 (en) 2003-01-09 2004-07-06 Eminent Technology Incorporated Planar diaphragm loudspeakers with non-uniform air resistive loading for low frequency modal control
EP1644639B1 (fr) * 2003-06-30 2009-02-11 Nxp B.V. Dispositif pour produire des sons par l'aide du flux d'un fluide
WO2005043771A1 (fr) 2003-10-23 2005-05-12 American Technology Corporation Procede d'ajustage de parametres lineaires d'un signal ultrasonique parametrique visant a reduire les non-linearites dans des ondes de sortie audio decouplees et systeme mettant en oeuvre ce procede
DE102004048990A1 (de) * 2004-10-04 2006-04-06 Volkswagen Ag Lautsprecheranordnung in einem Kraftfahrzeug
WO2007115358A1 (fr) * 2006-04-10 2007-10-18 Immersion Technology Property Limited Haut-parleur électrostatique
CA2844996C (fr) * 2006-04-14 2016-03-08 Murray R. Harman Haut-parleur electrostatique a diffusion sonore horizontale et verticale
US8670581B2 (en) 2006-04-14 2014-03-11 Murray R. Harman Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically
US8275137B1 (en) 2007-03-22 2012-09-25 Parametric Sound Corporation Audio distortion correction for a parametric reproduction system
CN101884224A (zh) * 2007-11-13 2010-11-10 Akg声学有限公司 麦克风装置
EP2262277B1 (fr) * 2007-11-13 2012-01-04 AKG Acoustics GmbH Ensemble de microphones
ATE498978T1 (de) * 2007-11-13 2011-03-15 Akg Acoustics Gmbh Mikrofonanordnung, die zwei druckgradientenwandler aufweist
US8184833B2 (en) * 2007-12-14 2012-05-22 Sony Ericsson Mobile Communications Ab Electrostatic speaker arrangement for a mobile device
TWI350116B (en) * 2007-12-18 2011-10-01 Princeton Technology Corp Audio playing module and method of the same
WO2009105793A1 (fr) * 2008-02-26 2009-09-03 Akg Acoustics Gmbh Ensemble transducteur
CA2802862A1 (fr) 2010-06-14 2011-12-22 Elwood G. Norris Traitement de signaux parametriques ameliore et systemes d'emetteur et procedes lies
US8831248B2 (en) * 2010-08-04 2014-09-09 Nokia Corporation Apparatus with directivity pattern
WO2013106596A1 (fr) 2012-01-10 2013-07-18 Parametric Sound Corporation Systèmes d'amplification, systèmes de poursuite de porteuse et procédés apparentés à mettre en œuvre dans des systèmes sonores paramétriques
WO2013158298A1 (fr) 2012-04-18 2013-10-24 Parametric Sound Corporation Procédés associés à des transducteurs paramétriques
US8934650B1 (en) 2012-07-03 2015-01-13 Turtle Beach Corporation Low profile parametric transducers and related methods
US20140247955A1 (en) * 2013-03-04 2014-09-04 Sony Corporation Folded electrostatic speaker
US8903104B2 (en) 2013-04-16 2014-12-02 Turtle Beach Corporation Video gaming system with ultrasonic speakers
US8988911B2 (en) 2013-06-13 2015-03-24 Turtle Beach Corporation Self-bias emitter circuit
US9332344B2 (en) 2013-06-13 2016-05-03 Turtle Beach Corporation Self-bias emitter circuit
WO2015027168A1 (fr) * 2013-08-23 2015-02-26 Google Inc. Procédé et système d'amélioration de l'intelligibilité de la parole dans des environnements bruyants
FR3027762B1 (fr) * 2014-10-27 2018-01-19 Universite Du Maine Transducteur electroacoustique, ensemble et systeme associes
US9924275B2 (en) * 2015-02-06 2018-03-20 Clean Energy Labs, Llc Loudspeaker having electrically conductive membrane transducers
US9602930B2 (en) * 2015-03-31 2017-03-21 Qualcomm Incorporated Dual diaphragm microphone
US10231060B2 (en) * 2015-12-23 2019-03-12 Sennheiser Electronic Gmbh & Co. Kg Electrostatic headphones

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE627679C (de) * 1929-09-27 1936-03-21 Aeg Elektrostatischer Lautsprecher

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DE368900C (fr) * 1921-11-28
GB222507A (en) * 1924-09-29 1925-10-15 Hermann Meusser Improvements in or relating to electric condensers
FR613417A (fr) * 1925-03-31 1926-11-17
US1622039A (en) * 1925-05-02 1927-03-22 Frederick W Lee Apparatus for and method of reproducing sound
US1631583A (en) * 1926-02-12 1927-06-07 Ignatz Lauter Capacitatively-actuated loud speaker
DE531299C (de) * 1928-01-14 1931-08-07 Vogt Hans Verfahren zur Herstellung der festen Kondensatorplatten fuer elektrostatische Telephone und Mikrophone
US1881107A (en) * 1928-05-16 1932-10-04 Vogt Hans Sounding condenser
GB322744A (en) * 1928-09-10 1929-12-10 Vogt Hans Improvements in condenser telephones
US1762981A (en) * 1928-06-06 1930-06-10 Bell Telephone Labor Inc Acoustic device
DE573873C (de) * 1929-10-30 1933-04-06 Albert Rauser Elektrostatischer Lautsprecher mit durch eine Vorspannung polarisierter Membran
GB348573A (en) * 1930-02-12 1931-05-12 Albert Rauser Improvements relating to electrostatic loud-speakers
DE581339C (de) * 1931-04-30 1933-07-26 Vogt Hans Schaltungsanordnung fuer den Anschluss mehrerer verschiedene Frequenzgebiete bevorzugender toenender Kondensatoren
US1930518A (en) * 1930-07-30 1933-10-17 Westinghouse Electric & Mfg Co Electrostatic loud speaker
GB370248A (en) * 1931-06-01 1932-04-07 Albert Rauser Improvements in electrostatic loud-speakers
BE464634A (fr) * 1946-01-22 S E M S A R L Ets
US2631196A (en) * 1949-10-05 1953-03-10 Arthur A Janszen Electrostatic loud-speaker
US2796467A (en) * 1951-12-12 1957-06-18 Bell Telephone Labor Inc Directional transducer
US2855467A (en) * 1953-12-11 1958-10-07 Curry Electronics Inc Loud speakers
US2864899A (en) * 1954-11-29 1958-12-16 Henry W Parker Transducer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE627679C (de) * 1929-09-27 1936-03-21 Aeg Elektrostatischer Lautsprecher

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3733095A1 (de) * 1986-09-30 1988-04-07 Samsung Electro Mech Stereoeinrichtung mit einem piezoelektrischen membranlautsprecher

Also Published As

Publication number Publication date
FR1134837A (fr) 1957-04-18
FR70574E (fr) 1959-05-29
US3008014A (en) 1961-11-07
DE1088546B (de) 1960-09-08
US3008013A (en) 1961-11-07

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